#!/bin/bash
#
# $Id: post-install 3705 2013-08-07 19:47:20Z dhill $
#
# Post-install steps for columnstore install

running_systemd() {
   if  [ "$(ps --no-headers -o comm 1)" = "systemd" ]; then
       echo 0
   else
       echo 1
   fi
}

# This function recursively(up to PID 1) searches for
# env_var_name in the environment variables list
find_env_var() {
    env_var_name=$1
    pid=$$
    ENV_VAR=''
    while [ -z "$ENV_VAR" -a "$pid" != 1  ]; do
        ppid=$(ps -oppid -p$pid|tail -1|awk '{print $1}')
        # This condition is true in containers
        if [ "$ppid" == 0 ]; then
            break;
        fi
        env=$(strings /proc/$ppid/environ)
        ENV_VAR=$(echo "$env"|awk -F= "\$1 == \"$env_var_name\" { print \$2; }")
        pid=$ppid
    done
    echo $ENV_VAR
}

if [[ -f /etc/mysql/debian.cnf ]]; then
  MDB="/usr/bin/mysql --defaults-file=/etc/mysql/debian.cnf"
else
  MDB="/usr/bin/mysql"
fi

checkForError() {
	# check for password error
	grep "ERROR 1045" ${installLogDir}/mysql_install.log > ${installLogDir}/error.check
	if [ `cat ${installLogDir}/error.check | wc -c` -ne 0 ]; then
		  echo "There were authentication issues running install_mcs_mysql.sh \
script. The log is available in ${installLogDir}/mysql_install.log. Please re-run \
columnstore-post-install manually after solving the authentication issues."
		  rm -f ${installLogDir}/error.check
		  return 2;
	fi

	rm -f ${installLogDir}/error.check

        #---------------------------------------------------------------------------
        # See if engine columnstore exist
        #---------------------------------------------------------------------------
        echo "checking for engine columnstore..."
        $MDB --execute="show engines" 2> ${installLogDir}/post-mysql-install.log | grep -i columnstore >> ${installLogDir}/post-mysql-install.log 2>&1

        #
        # Add compressiontype column to SYSCOLUMN if applicable
        #
        if [ $? -ne 0 ]; then
                echo "columnstore doesn't exist"
                return 1
        fi

        echo "columnstore exists"

	return 0;
}

rpmmode=install
user=`whoami 2>/dev/null`

quiet=0

stop_mysqld=0
if [ -z "$(pgrep -x mariadbd)" ];then

    # Startup mysqld
    systemctl cat mariadb.service > /dev/null 2>&1
    if [ $? -eq 0 ] && [ $(running_systemd) -eq 0 ]; then
        systemctl start mariadb.service
    else
        /usr/bin/mysqld_safe &
    fi
    stop_mysqld=1
fi
sleep 2

# One time remove x-columnstore.cnf if it exists.
# x-columnstore.cnf was a kludge for using when plugin-maturity=gamma
if [ -f @MARIADB_MYCNFDIR@/x-columnstore.cnf ]; then
    /bin/mv -f @MARIADB_MYCNFDIR@/x-columnstore.cnf @MARIADB_MYCNFDIR@/x-columnstore.cnf.rpmsave
fi

if [ -f @ENGINE_SYSCONFDIR@/columnstore/storagemanager.cnf.rpmsave ]; then
    /bin/cp -f @ENGINE_SYSCONFDIR@/columnstore/storagemanager.cnf @ENGINE_SYSCONFDIR@/columnstore/storagemanager.cnf.new
    /bin/cp -f @ENGINE_SYSCONFDIR@/columnstore/storagemanager.cnf.rpmsave @ENGINE_SYSCONFDIR@/columnstore/storagemanager.cnf
fi

# Make copy of the new .xml file in 2 places so its preserved if something goes wrong in autoConfigure
# Original Columnstore.xml will still be in .rpmsave
if [ -f @ENGINE_SYSCONFDIR@/columnstore/Columnstore.xml.rpmsave ]; then
    /bin/cp -f @ENGINE_SYSCONFDIR@/columnstore/Columnstore.xml @ENGINE_SYSCONFDIR@/columnstore/Columnstore.xml.new
    /bin/cp -f @ENGINE_SYSCONFDIR@/columnstore/Columnstore.xml.rpmsave @ENGINE_SYSCONFDIR@/columnstore/Columnstore.xml
fi

touch /dev/shm/columnstore-test && rm /dev/shm/columnstore-test
if [ $? -ne 0 ] ; then
    echo "User $user will need R/W access to /dev/shm."
    exit 1
fi


profileFile="/etc/profile.d/columnstoreAlias.sh"
/bin/cp -f @ENGINE_SUPPORTDIR@/columnstoreAlias /etc/profile.d/columnstoreAlias.sh
chmod 644 /etc/profile.d/columnstoreAlias.sh >/dev/null 2>&1

test -d @ENGINE_LOGDIR@ || mkdir -p @ENGINE_LOGDIR@ >/dev/null 2>&1
test -d @ENGINE_LOGDIR@/archive || mkdir @ENGINE_LOGDIR@/archive >/dev/null 2>&1
test -d @ENGINE_LOGDIR@/corefiles || mkdir @ENGINE_LOGDIR@/corefiles >/dev/null 2>&1
test -d @ENGINE_LOGDIR@/trace || mkdir @ENGINE_LOGDIR@/trace >/dev/null 2>&1
test -d @ENGINE_LOGDIR@/cpimport || mkdir @ENGINE_LOGDIR@/cpimport >/dev/null 2>&1
test -d @ENGINE_LOGDIR@/install || mkdir @ENGINE_LOGDIR@/install >/dev/null 2>&1
test -h @ENGINE_LOGDIR@/data && rm -f @ENGINE_LOGDIR@/data
chmod 755 @ENGINE_LOGDIR@/corefiles > /dev/null 2>&1
chmod 777 @ENGINE_LOGDIR@/cpimport
chmod 777 @ENGINE_LOGDIR@/install
installLogDir=@ENGINE_LOGDIR@/install

# make sure trace dir is world-writable and sticky
test -d @ENGINE_DATADIR@/data1/systemFiles/dbrm || mkdir -p @ENGINE_DATADIR@/data1/systemFiles/dbrm
test -d @ENGINE_DATADIR@/local || mkdir -p @ENGINE_DATADIR@/local
test -d @ENGINE_DATADIR@/data1/systemFiles/dataTransaction || rmdir @ENGINE_DATADIR@/data1/systemFiles/dataTransaction >/dev/null 2>&1
test -d @ENGINE_DATADIR@/data1/systemFiles/dataTransaction/archive || rmdir @ENGINE_DATADIR@/data1/systemFiles/dataTransaction/archive >/dev/null 2>&1
chmod 1755 @ENGINE_DATADIR@/data1 >/dev/null 2>&1
chmod -R 1755 @ENGINE_DATADIR@/data1/systemFiles >/dev/null 2>&1
chmod 1755 @ENGINE_SYSCONFDIR@/columnstore > /dev/null 2>&1

#create the bulk-load dirs
mkdir -p @ENGINE_LOGDIR@/data/bulk/data/import >/dev/null 2>&1
mkdir -p @ENGINE_LOGDIR@/data/bulk/job >/dev/null 2>&1
mkdir -p @ENGINE_LOGDIR@/data/bulk/rollback >/dev/null 2>&1
mkdir -p @ENGINE_LOGDIR@/data/bulk/tmpjob >/dev/null 2>&1
rm -f @ENGINE_LOGDIR@/data/bulk/tmpjob/* >/dev/null 2>&1
chmod -R 777 @ENGINE_LOGDIR@/data

#get columnstore temp file directory name
tmpDir=`@ENGINE_BINDIR@/mcsGetConfig SystemConfig SystemTempFileDir`
scratchDir=$tmpDir`@ENGINE_BINDIR@/mcsGetConfig SystemConfig hdfsRdwrScratch`
mkdir $tmpDir >/dev/null 2>&1
mkdir $scratchDir >/dev/null 2>&1
chmod 777 $tmpDir
chmod 777 $scratchDir

#create mount directories
mkdir /mnt/tmp > /dev/null 2>&1

if [ $user = "root" ]; then
	#setup the columnstore service script
    rm -f /etc/init.d/columnstore >/dev/null 2>&1
    rm -f /etc/default/columnstore

    systemctl=`which systemctl 2>/dev/null`
    if [ -n "$systemctl" ]; then
        # Removing a separate ExeMgr unit.
        if [[ -f  /usr/lib/systemd/system/mcs-exemgr.service ]]; then
            rm -f /usr/lib/systemd/system/mcs-exemgr.service
        fi
        if [[ -f  /lib/systemd/system/mcs-exemgr.service ]]; then
            rm -f /lib/systemd/system/mcs-exemgr.service
        fi
        cp @ENGINE_SUPPORTDIR@/mariadb-columnstore.service /usr/lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mariadb-columnstore.service /lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-controllernode.service /usr/lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-controllernode.service /lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-ddlproc.service /usr/lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-ddlproc.service /lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-dmlproc.service /usr/lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-dmlproc.service /lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-primproc.service /usr/lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-primproc.service /lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-workernode.service /usr/lib/systemd/system/mcs-workernode@.service  >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-workernode.service /lib/systemd/system/mcs-workernode@.service >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-writeengineserver.service /usr/lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-writeengineserver.service /lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-loadbrm.service /usr/lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-loadbrm.service /lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-storagemanager.service /usr/lib/systemd/system/. >/dev/null 2>&1
        cp @ENGINE_SUPPORTDIR@/mcs-storagemanager.service /lib/systemd/system/. >/dev/null 2>&1
        systemctl enable mariadb-columnstore >/dev/null 2>&1
        systemctl enable mcs-controllernode > /dev/null 2>&1
        systemctl enable mcs-ddlproc > /dev/null 2>&1
        systemctl enable mcs-dmlproc > /dev/null 2>&1
        systemctl enable mcs-primproc > /dev/null 2>&1
        systemctl enable mcs-workernode@1 > /dev/null 2>&1
        systemctl enable mcs-writeengineserver > /dev/null 2>&1
        systemctl enable mcs-loadbrm > /dev/null 2>&1
        systemctl enable mcs-storagemanager > /dev/null 2>&1
    else
        chkconfig=`which chkconfig 2>/dev/null`
        if [ -n "$chkconfig" ]; then

            cp @ENGINE_SBINDIR@/columnstore /etc/init.d/. >/dev/null 2>&1
            chkconfig --add columnstore > /dev/null 2>&1
            chkconfig columnstore on > /dev/null 2>&1
        else
            cp @ENGINE_SBINDIR@/columnstore /etc/init.d/. >/dev/null 2>&1
            updaterc=`which update-rc.d 2>/dev/null`
            if [ -n "$updaterc" ]; then

                update-rc.d columnstore defaults 99 > /dev/null 2>&1
            else
                echo ""
                echo "Package 'systemctl', 'chkconfig' or 'update-rc.d' not installed, contact your sysadmin if you want to setup to autostart for columnstore"
            fi
        fi
    fi
fi

# upgrade the columnstore.cnf file
if [ -f @MARIADB_MYCNFDIR@/columnstore.cnf.rpmsave ]; then
     cp -f @MARIADB_MYCNFDIR@/columnstore.cnf @MARIADB_MYCNFDIR@/columnstore.cnf.new
     cp -f @MARIADB_MYCNFDIR@/columnstore.cnf.rpmsave @MARIADB_MYCNFDIR@/columnstore.cnf
fi

if [ $user = "root" ]; then
    @ENGINE_BINDIR@/columnstoreSyslogSetup.sh install > $installLogDir/syslog_install.log 2>&1

    #check if MariaDB Columnstore system logging was setup
    cat $installLogDir/syslog_install.log | grep 'No System Logging' >/dev/null 2>&1
    if [ $? -eq 0 ]; then
        cat $installLogDir/syslog_install.log
    fi
else
    chown $user:$user @ENGINE_SYSCONFDIR@/columnstore/Columnstore.xml

cat <<EOD

NOTE: For non-root install, you will need to run the following commands as root user to
      setup the MariaDB ColumnStore System Logging

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH
columnstoreSyslogSetup.sh --user=$user install
EOD
fi

#determine lock file directory

# Lock directory for root user
lockdir='/var/lock/subsys'

@ENGINE_BINDIR@/mcsSetConfig -d Installation LockFileDirectory $lockdir

mkdir $lockdir >/dev/null 2>&1

rm -f $lockdir/columnstore

# This was the last place of postConfigure. RIP

@ENGINE_SBINDIR@/install_mcs_mysql.sh --tmpdir=$installLogDir

# Restart MDB to enable plugin
systemctl cat mariadb.service > /dev/null 2>&1
if [ $? -eq 0 ] && [ $(running_systemd) -eq 0 ]; then
    systemctl restart mariadb.service > /dev/null 2>&1
else
    pkill mysqld > /dev/null 2>&1
    while [ -n "$(pgrep -x mysqld)" ] ; do
        sleep 1
    done
    /usr/bin/mysqld_safe &
    sleep 2
fi

checkForError
if [ $? -ne 0 ]; then
    echo "There was an error installing MariaDB ColumnStore engine plugin. \
Continue to install the engine though. \
Please resolve the issues and run necessary scripts manually."
fi

# Create syscat tables that uses COLUMNSTORE engine after MDB
# loads the engine plugin .so up.
$MDB <@ENGINE_SUPPORTDIR@/syscatalog_mysql.sql 2>/dev/null

if [ -z "$MCS_USE_S3_STORAGE" ]; then
  MCS_USE_S3_STORAGE="$(find_env_var "MCS_USE_S3_STORAGE")"
  MCS_S3_BUCKET="$(find_env_var "MCS_S3_BUCKET")"
  MCS_S3_ENDPOINT="$(find_env_var "MCS_S3_ENDPOINT")"
  MCS_S3_ACCESS_KEY_ID="$(find_env_var "MCS_S3_ACCESS_KEY_ID")"
  MCS_S3_SECRET_ACCESS_KEY="$(find_env_var "MCS_S3_SECRET_ACCESS_KEY")"
  MCS_S3_REGION="$(find_env_var "MCS_S3_REGION")"
  MCS_S3_ROLE_NAME="$(find_env_var "MCS_S3_ROLE_NAME")"
  MCS_S3_STS_REGION="$(find_env_var "MCS_S3_STS_REGION")"
  MCS_S3_STS_ENDPOINT="$(find_env_var "MCS_S3_STS_ENDPOINT")"
  MCS_S3_USE_HTTP="$(find_env_var "MCS_S3_USE_HTTP")"
  MCS_S3_NO_SSL_VERIFY="$(find_env_var "MCS_S3_NO_SSL_VERIFY")"
  MCS_S3_LIBS3_DEBUG="$(find_env_var "MCS_S3_LIBS3_DEBUG")"
fi

if [ ! -z "$MCS_USE_S3_STORAGE" ] && [ $MCS_USE_S3_STORAGE -eq 1 ]; then
  if [ -z "$MCS_S3_BUCKET" ]; then
    echo "Environment variable \$MCS_USE_S3_STORAGE is set but there is no \$MCS_S3_BUCKET."
  fi
  if [ -z "$MCS_S3_ACCESS_KEY_ID" ] && [ -z "$MCS_S3_ROLE_NAME" ]; then
    echo "Environment variable \$MCS_USE_S3_STORAGE is set but there is no \$MCS_S3_ACCESS_KEY_ID."
  fi
  if [ -z "$MCS_S3_SECRET_ACCESS_KEY" ] && [ -z "$MCS_S3_ROLE_NAME" ]; then
    echo "Environment variable \$MCS_USE_S3_STORAGE is set but there is no \$MCS_S3_SECRET_ACCESS_KEY."
  fi
  if [ -z "$MCS_S3_BUCKET" ] || [[ -z "$MCS_S3_ACCESS_KEY_ID" && -z "$MCS_S3_ROLE_NAME" ]] || [[ -z "$MCS_S3_SECRET_ACCESS_KEY" && -z "$MCS_S3_ROLE_NAME" ]]; then
    echo "Using local storage."
      @ENGINE_BINDIR@/mcsSetConfig -d Installation DBRootStorageType "storagemanager"
      @ENGINE_BINDIR@/mcsSetConfig -d StorageManager Enabled "Y"
      @ENGINE_BINDIR@/mcsSetConfig -d SystemConfig DataFilePlugin "libcloudio.so"
  else
      @ENGINE_BINDIR@/mcsSetConfig -d Installation DBRootStorageType "storagemanager"
      @ENGINE_BINDIR@/mcsSetConfig -d StorageManager Enabled "Y"
      @ENGINE_BINDIR@/mcsSetConfig -d SystemConfig DataFilePlugin "libcloudio.so"
      sed -i "s|^service =.*|service = S3|" /etc/columnstore/storagemanager.cnf
      if [ ! -z "$MCS_S3_REGION" ]; then
          sed -i "s|^region =.*|region = $MCS_S3_REGION|" /etc/columnstore/storagemanager.cnf
      fi
      if [ ! -z "$MCS_S3_ROLE_NAME" ]; then
          sed -i "s|^# iam_role_name =.*|iam_role_name = $MCS_S3_ROLE_NAME|" /etc/columnstore/storagemanager.cnf
      fi
      if [ ! -z "$MCS_S3_STS_REGION" ]; then
          sed -i "s|^# sts_region =.*|sts_region = $MCS_S3_STS_REGION|" /etc/columnstore/storagemanager.cnf
      fi
      if [ ! -z "$MCS_S3_STS_ENDPOINT" ]; then
          sed -i "s|^# sts_endpoint =.*|sts_endpoint = $MCS_S3_STS_ENDPOINT|" /etc/columnstore/storagemanager.cnf
      fi
      if [ ! -z "$MCS_S3_USE_HTTP" ]; then
          sed -i "s|^# use_http =.*|use_http = enabled|" /etc/columnstore/storagemanager.cnf
      fi
      if [ ! -z "$MCS_S3_NO_SSL_VERIFY" ]; then
          sed -i "s|^# ssl_verify =.*|ssl_verify = disabled|" /etc/columnstore/storagemanager.cnf
      fi
      if [ ! -z "$MCS_S3_LIBS3_DEBUG" ]; then
          sed -i "s|^# libs3_debug =.*|libs3_debug = enabled|" /etc/columnstore/storagemanager.cnf
      fi
      sed -i "s|^bucket =.*|bucket = $MCS_S3_BUCKET|" /etc/columnstore/storagemanager.cnf
      sed -i "s|^# endpoint =.*|endpoint = $MCS_S3_ENDPOINT|" /etc/columnstore/storagemanager.cnf
      sed -i "s|^# aws_access_key_id =.*|aws_access_key_id = $MCS_S3_ACCESS_KEY_ID|" /etc/columnstore/storagemanager.cnf
      sed -i "s|^# aws_secret_access_key =.*|aws_secret_access_key = $MCS_S3_SECRET_ACCESS_KEY|" /etc/columnstore/storagemanager.cnf
      @ENGINE_BINDIR@/testS3Connection
      if [ $? -ne 0 ]; then
        sed -i "s|^iam_role_name =.*|# iam_role_name = |" /etc/columnstore/storagemanager.cnf
        sed -i "s|^sts_region =.*|# sts_region = |" /etc/columnstore/storagemanager.cnf
        sed -i "s|^sts_endpoint =.*|# sts_endpoint = |" /etc/columnstore/storagemanager.cnf
        sed -i "s|^endpoint =.*|# endpoint = |" /etc/columnstore/storagemanager.cnf
        sed -i "s|^aws_access_key_id =.*|# aws_access_key_id = |" /etc/columnstore/storagemanager.cnf
        sed -i "s|^aws_secret_access_key =.*|# aws_secret_access_key = |" /etc/columnstore/storagemanager.cnf
        echo "There was an error validating the settings used to access S3."
        echo "The specified user or role must have GET, PUT, HEAD, and DELETE permissions to the bucket."
        echo "Verify the following environment variables are correct:"
        echo "MCS_S3_BUCKET"
        echo "MCS_S3_ENDPOINT"
        echo "MCS_S3_ACCESS_KEY_ID"
        echo "MCS_S3_SECRET_ACCESS_KEY"
        echo "MCS_S3_REGION"
        echo "MCS_S3_ROLE_NAME (optional)"
        echo "MCS_S3_STS_REGION (optional)"
        echo "MCS_S3_STS_ENDPOINT (optional)"
        echo "After environment variables are fixed, run command: columnstore-post-install"
        exit 1
      fi
  fi
fi

#change ownership/permissions to be able to run columnstore as non-root
# TODO: Remove conditional once container dispatcher uses non-root by default
if [ $(running_systemd) -eq 0 ]; then
    chown -R @DEFAULT_USER@:@DEFAULT_GROUP@ @ENGINE_LOGDIR@
    chown -R @DEFAULT_USER@:@DEFAULT_GROUP@ /etc/columnstore
    findcmd=`which find 2>/dev/null`
    if [ -n "$findcmd" ]; then
        if [[ $($findcmd @ENGINE_DATADIR@ -maxdepth 3 ! -user @DEFAULT_USER@ -exec echo {} \; -quit 2>/dev/null) ]]; then
            echo "At least one file is not owned by @DEFAULT_USER@ in @ENGINE_DATADIR@. Running chown..."
            chown -R @DEFAULT_USER@:@DEFAULT_GROUP@ @ENGINE_DATADIR@
        else
            echo "Confirmed top @ENGINE_DATADIR@ folders owned by @DEFAULT_USER@"
        fi  
    else
        chown -R @DEFAULT_USER@:@DEFAULT_GROUP@ @ENGINE_DATADIR@
    fi
    chown -R @DEFAULT_USER@:@DEFAULT_GROUP@ $tmpDir
    chmod 777 /dev/shm
fi

systemctl cat mariadb-columnstore.service > /dev/null 2>&1
if [ $? -eq 0 ] && [ $(running_systemd) -eq 0 ]; then

    # mask mariadb-columnstore service to prevent starting services and dbbuilder
    # after reinstallation on multinode configurations
    num_workers=$(grep NumWorkers /etc/columnstore/Columnstore.xml | tr -dc '0-9')
    if [[ $num_workers > 1 ]]; then
        systemctl mask mariadb-columnstore
    fi

    mkdir -p @ENGINE_DATADIR@/storagemanager
    chown -R mysql:mysql @ENGINE_DATADIR@/storagemanager
    IFLAG=@ENGINE_DATADIR@/storagemanager/storagemanager-lock

    # shared dbroot1 synchronization
    # prevents dbbuilder from processing simultaneously on two or more nodes
    exec {fd_lock}>@ENGINE_DATADIR@/data1/dbroot1-lock
    flock -x "$fd_lock"

    # shared storagemanager data corruption prevention
    # intially, a node is in a single node setting and takes ownership of storagemanager
    # prevent nodes using shared storage manager from stepping on each other
    # if storagemanager-lock already exists, we have already initialized
    if [ ! -e $IFLAG ]; then
        echo "Populating the engine initial system catalog."
        systemctl start mariadb-columnstore
    fi

    flock -u "$fd_lock"
fi

if [ $stop_mysqld -eq 1 ];then
    # Make sure we stop mariadb since it wasn't running prior to columnstore installation
    systemctl cat mariadb.service > /dev/null 2>&1
    if [ $? -eq 0 ] && [ $(running_systemd) -eq 0 ]; then
        systemctl stop mariadb.service > /dev/null 2>&1
    else
        pkill mysqld > /dev/null 2>&1
    fi
fi

sleep 2
exit 0
